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xi'an shangxi


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dp commented on Jason Lyons's blog post Goals and First Start
"Great works! But I do not understand why do you calculating the gyro angle (in radians) through integration? Why not quaternions ? Are you just test your circuits?"
Jan 9, 2010
dp replied to crystal garris's discussion kalman filter for idiots
"I have writen the Kalman filter codes in C on my MCU LPC2114 ,but it seems that my MCU is not strong enough to run the codes. My 12 states SINS/GPS integration system can not work correctly, and the time the filter costs is too long.
Has any body…"
Mar 27, 2009
dp replied to Magnus's discussion Navigation formulas and ideas
"How can you control the plane's attitude? I can not see any pitch and roll information on your vedio.
By the way that is a wonderfull work.One of my friends are working on the same field. He plans to build the simulator in 3D type with OpenGL. Next,…"
Mar 27, 2009
dp commented on Chris Anderson's blog post Lego UAV 2: full details now available!
"Will the integratd accelerators and gyros work as well?Such as the ADIS16355?"
Jan 19, 2009
dp commented on Chris Anderson's blog post ArduPilot Pro home page
"Have you ever thought about adding some inertial sensors to this system? Or how can you know its attitude exactly?Just by watching?"
Jan 19, 2009
dp commented on Chris Anderson's blog post BlimpDuino home page
"wonderfull work!"
Jan 19, 2009
dp commented on Chris Anderson's blog post Is this the miracle chipset that's going to make DIY drones easy?
"Sorry,I've forgotten to say that I don't have the BOARD EVAL for that sensor.
My sensor was fixed onto a PCB board that I designed with LPC2114."
Dec 10, 2008
dp commented on Chris Anderson's blog post Is this the miracle chipset that's going to make DIY drones easy?
"I've got this sensor too,but I'm wondering how could I know if it can work or not?"
Dec 10, 2008